Objective To analyze the image findings of pigmented villonodular synovitis(PVNS) and evaluate the merits and demerits of various imaging diagnostic methods.

• 目的分析膝关节色素沉着绒毛结节性滑膜炎(PVNS)影像学表现,评价各种检查方法的优缺点,选择敏感的检查手段。